Contribution to the investigation of the Ti–Dy–Sn system
Author(s) -
Yulia Fartushna,
Andrej V. KOTKO,
Marina Bulanova
Publication year - 2009
Publication title -
chemistry of metals and alloys
Language(s) - English
Resource type - Journals
eISSN - 1998-8087
pISSN - 1998-8079
DOI - 10.30970/cma2.0097
Subject(s) - dysprosium , tin , hexagonal crystal system , titanium , ternary operation , materials science , crystallography , lattice constant , ternary numeral system , homogeneity (statistics) , crystal structure , ternary alloy , metallurgy , chemistry , inorganic chemistry , diffraction , alloy , mathematics , physics , statistics , optics , computer science , programming language
A new ternary compound, Ti4.2-4.3Dy0.8-0.7Sn≲3 (τ), was found in the Ti –Dy–Sn system. It exists at an almost constant concentration of tin (~36.5 at.%), but has a certain homogeneity region (8.2 to 10.2 at.% Dy) due to mutual substitution of titanium and dysprosium. The crystal system was determined to be hexagonal with preliminary lattice parameters а = 4.94 Å, с = 5.65 Å. The compound melts congruently above 1500° С and coexists with (Ti3Sn), (Dy5Sn3), (Ti2Sn), and (Ti5Sn3).
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